Noticeable in the caseback, the oscillating mass from the movement is delicately engraved. It truly is made from eighteen-karat gold and decorated by hand which has a barley grain sample, performed by guilloche A gold Variation encompasses a black dial and black leather-based strap, and also an 18-karat gold pin-buckle https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/